Placing reinforcing bars 9th pdf download

They provide the details and placing instructions so that the ironworkers can set the reinforcing bars into place at the jobsite. Placing drawings are used to show where the reinforcing bars to be placed. Sometimes the structural and placing drawings are very specific about exactly where reinforcing bar is placed. The ironworkers need to figure out how those reinforcing bars relate to the overall dimensions of the structure.

The amount of concrete cover over the reinforcing bar is very important. If it's constructed properly, the concrete protects the reinforcing bar from corrosion.

Bar supports are used to hold the reinforcing bars in place to attain the proper depth of cover. Types of bar supports range from as simple as plain concrete blocks to all-plastic chairs, to wire bar supports. Detail A: "Snap Tie" diagram upper left is the simplest and is usually used for rebar in a flat horizontal position. This unique and popular book presents the best accepted current practices in placing reinforcing bars. It is written for apprentices, journeymen ironworkers and inspectors.

Eighteen heavily illustrated chapters cover topics such as materials, handling bars at the jobsite, general principles for bar placing, splicing, and tying; placing bars in footings, walls, columns, floors, roofs, pavements and highway structures; and epoxy-coated reinforcing bars.

Click here to check for availability. Placing Reinforcing Bars, 9th Edition Home. Available towards the end of July, the newly updated and revised 9th edition of the popular Placing Reinforcing Bars includes many new features.

Notable Updates and Revisions: Beam bolsters were revised to show them running longitudinally, rather than transverse. Added nylon sling capacity tables according to current OSHA guidelines.